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http://dx.doi.org/10.5139/JKSAS.2007.35.5.404

Efficient Finite Element Analyses of Contact Problems by Domain/Boundary Decomposition Method  

Ryu, Han-Yeol (전북대학교 대학원)
Shin, Eui-Sup (전북대학교 기계항공시스템공학부)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.35, no.5, 2007 , pp. 404-411 More about this Journal
Abstract
new domain/boundary decomposition method is suggested to perform efficient finite element analyses of contact problems. A penalty method is used for connecting an interface or contact interfaces with neighboring subdomains that satisfy continuity conditions. As a result, the derived effective stiffness matrices are always positive definite, and computational efficiency can be improved to a considerable degree. Moreover, any complex-shaped domain can be divided into independently modeled subdomains without considering the conformity of meshes along the interface. Using a computer code based on the present method, these advantageous features are confirmed through a set of numerical examples.
Keywords
Domain/Boundary Decomposition; Subdomain; Interface; Contact Interface; Finite Element;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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